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<!doctype html>
<html lang="zh-CN" data-theme="dark">
<head>
<meta charset="UTF-8" />
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<a class="skip-link" href="#main-content">Skip to content</a>
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<span class="badge">v0.80 · tutorial</span>
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<span class="badge accent">Tutorial</span>
<span class="badge ok">Obsidian UI</span>
<span class="badge">15 progressive lessons</span>
</div>
<h1>Learn Pi</h1>
<p class="lead">
<strong
>Agency 来自模型。Agent 产品 = Model +
Harness。</strong
><br />
</p>
<div class="motto">
<div class="label">Thesis</div>
<blockquote>
“Adapt pi to your workflows, not the other way
around.”
</blockquote>
<p class="explain">
模型是司机；Pi
是车。你学的是造车与改装，不是伪造智能。
</p>
</div>
<div class="link-strip" id="home-cta">
<a class="btn primary" id="continue-btn" href="#s01">
Start s01 →
</a>
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class="btn"
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target="_blank"
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>Official docs</a
>
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href="https://github.com/earendil-works/pi"
target="_blank"
rel="noopener noreferrer"
>earendil-works/pi</a
>
</div>
<p class="continue-hint" id="continue-hint" hidden></p>
<h2>Mindshift</h2>
<div class="grid-2">
<a class="card interactive" href="#s01">
<div class="card-title">Model = agency</div>
<p class="card-desc">
感知、推理、行动的能力来自训练，不是 if-else
工作流图。
</p>
</a>
<a class="card interactive" href="#s02">
<div class="card-title">Harness = environment</div>
<p class="card-desc">
Tools · Knowledge · Observation · Action ·
Permissions。Pi 提供可扩展的编码环境。
</p>
</a>
</div>
<div class="pattern"><span class="hi">Pi</span> = one agent loop +
tools(read, write, edit, bash) + sessions / tree /
compaction + AGENTS.md context + extensions · skills
· themes · packages + multi-provider models
(models.json) + interactive | print | JSON | RPC |
SDK The model decides. The harness executes. The
loop stays constant. Mechanisms change.</div>
<div class="diagram-wrap" data-mermaid-id="home">
<div class="diagram-header">
<button type="button" class="diagram-toggle" data-section-toggle aria-expanded="true" aria-controls="diagram-panel-home">
<span class="section-chevron" aria-hidden="true">▾</span>
<span>总览 · Model + Harness</span>
</button>
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<button type="button" class="icon-btn diagram-expand" data-diagram-expand aria-label="缩放总览图" title="聚焦查看，可放大或缩小">缩放 ↗</button>
</div>
</div>
<div class="diagram-host" id="diagram-panel-home"></div>
</div>
<h2>Learning path</h2>
<p class="lead" style="margin-bottom: 0.5rem">
主线：行动 → 会话与知识 → 扩展 → 集成 → 安全与哲学。
</p>
<div class="stage-grid" id="stage-grid">
<div class="stage" data-stage="1">
<button type="button" class="stage-toggle" aria-expanded="true" aria-controls="stage-list-1">
<h3>1 · 让 Agent 能行动</h3>
<span class="stage-progress" data-stage-progress="1"></span>
</button>
<ul id="stage-list-1">
<li>
<a href="#s01">s01 Agent Loop</a>
— 循环不变量
</li>
<li>
<a href="#s02">s02 Tools</a>
— 四工具 + registerTool
</li>
<li>
<a href="#s03">s03 Install & Auth</a>
— 装起来、登进去
</li>
<li>
<a href="#s04">s04 Models</a>
— 自定义 URL / Key
</li>
</ul>
</div>
<div class="stage" data-stage="2">
<button type="button" class="stage-toggle" aria-expanded="true" aria-controls="stage-list-2">
<h3>2 · 会话与工作台</h3>
<span class="stage-progress" data-stage-progress="2"></span>
</button>
<ul id="stage-list-2">
<li>
<a href="#s05">s05 Sessions</a>
— 树、分支、恢复
</li>
<li>
<a href="#s06">s06 Context</a>
— AGENTS.md
</li>
<li>
<a href="#s07">s07 TUI & Themes</a>
— 配色非壁纸
</li>
</ul>
</div>
<div class="stage" data-stage="3">
<button type="button" class="stage-toggle" aria-expanded="true" aria-controls="stage-list-3">
<h3>3 · 扩展与分发</h3>
<span class="stage-progress" data-stage-progress="3"></span>
</button>
<ul id="stage-list-3">
<li>
<a href="#s08">s08 Extensions</a>
— 钩子不改循环
</li>
<li>
<a href="#s09">s09 Skills</a>
— 按需知识
</li>
<li>
<a href="#s10">s10 Packages</a>
— pi install
</li>
</ul>
</div>
<div class="stage" data-stage="4">
<button type="button" class="stage-toggle" aria-expanded="true" aria-controls="stage-list-4">
<h3>4 · 集成与架构</h3>
<span class="stage-progress" data-stage-progress="4"></span>
</button>
<ul id="stage-list-4">
<li>
<a href="#s11">s11 Run Modes</a>
— print / RPC / SDK
</li>
<li>
<a href="#s12">s12 Architecture</a>
— monorepo 分层
</li>
</ul>
</div>
<div class="stage" data-stage="5">
<button type="button" class="stage-toggle" aria-expanded="true" aria-controls="stage-list-5">
<h3>5 · 长任务与边界</h3>
<span class="stage-progress" data-stage-progress="5"></span>
</button>
<ul id="stage-list-5">
<li>
<a href="#s13">s13 Compaction</a>
— 腾出上下文
</li>
<li>
<a href="#s14">s14 Trust & Safety</a>
— 信任与沙箱
</li>
</ul>
</div>
<div class="stage" data-stage="6">
<button type="button" class="stage-toggle" aria-expanded="true" aria-controls="stage-list-6">
<h3>6 · 收束</h3>
<span class="stage-progress" data-stage-progress="6"></span>
</button>
<ul id="stage-list-6">
<li>
<a href="#s15">s15 Philosophy</a>
— 不 fork，改装车
</li>
</ul>
</div>
</div>
<h2>All chapters</h2>
<div id="home-lesson-grid" class="grid-2"></div>
<h2>How to read</h2>
<ul class="feature-list">
<li>
<span class="mark">1</span
><span
>按 s01 → s15 顺序；每课一个 motto +
可复制命令。</span
>
</li>
<li>
<span class="mark">2</span
><span
>侧栏筛选 /
<span class="kbd" data-mod-kbd>Ctrl+K</span>
快速跳转；「标记完成」记进度（localStorage）。</span
>
</li>
<li>
<span class="mark">3</span
><span
>深潜内容在
<code><details></code>
折叠里，按需展开。截图点开可放大。</span
>
</li>
<li>
<span class="mark">4</span
><span
>这是产品 / harness 教程，不是从零手写 loop
的 Python 课。</span
>
</li>
</ul>
<div class="callout">
<div class="callout-icon">※</div>
<p>
对照阅读：
<a
href="https://github.com/shareAI-lab/learn-claude-code"
target="_blank"
rel="noopener noreferrer"
>learn-claude-code</a
>
教「从 0 造 harness」；
<strong>Learn Pi</strong> 教「用 /
扩展一个已存在的最小 harness 产品」。
</p>
</div>
<p class="page-footer">
Learn Pi by paradox ·
<span id="year">2026</span>
</p>
</section>
<div id="lessons-host"></div>
</main>
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<div class="palette-heading">
<span id="palette-title">命令与全文搜索</span>
<span class="palette-hint"><span class="kbd">↑↓</span> 选择 · <span class="kbd">Enter</span> 执行</span>
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